Clean Harbors Inc

Ownership Transactions Reported by 29 Insiders

Symbol
CLH on NYSE
Industry
Hazardous Waste Management
Location
42 Longwater Drive, P.O. Box 9149, Norwell, MA

Insiders trading volume in the past year

Clean Harbors Inc executives and other stock owners filed with the SEC include:

Name Relationship Holdings Value Past Year Net Change Change % Report Date
Alan S. Mckim EXEC CHAIR, CTO., Director $569M -$33.6M -5.58% Sep 16, 2025
Michael Battles CO-CEO, Director $19.4M +$467K +2.47% Aug 1, 2025
Brian P. Weber Evp (Chesi) $12.3M -$914K -6.94% Jul 1, 2025
Eric W. Gerstenberg Co Ceo $11.7M -$1.82M -13.4% Jul 1, 2025
George L. Curtis Exec. Vice President (Chesi) $11.2M Jul 1, 2025
Sharon M. Gabriel Evp/Cio (Chesi) $6.37M Jul 1, 2025
Michael J. Twohig Evp (Chesi) $5.15M Mar 27, 2023
Thomas J. Shields Director $5.13M May 25, 2022
Edward G. Galante Director $4.81M May 21, 2025
Eric J. Dugas Evp Chief Financial Officer $4.43M +$201K +4.75% Jul 1, 2025
Rebecca Underwood President & Evp Facilities $3.98M Jul 1, 2025
Robert Speights President, Industrial Services $3.73M -$752K -16.8% May 27, 2025
Jeroen Diderich EVP&President of Sales&Service $3.12M Jun 2, 2025
Loan Nguyen Mansy President Env Sales & Service $3.06M Aug 21, 2023
Rod Marlin Director $2.93M May 10, 2021
Lauren States Director $2.67M -$409K -13.3% Nov 13, 2025
John R. Welch Director $2.61M -$286K -9.88% May 28, 2025
Andrea Robertson Director $2.16M -$195K -8.29% Aug 5, 2025
Charles H. Geer II EVP, Industrial Services $1.86M Nov 1, 2025
Robert Willett Director $1.82M May 21, 2025
Melkeya McDuffie Evp, Human Resources Officer $1.8M May 24, 2023
John T. Preston Director $1.24M May 21, 2025
Marcy L. Reed Director $1.15M May 21, 2025
Robert W. Harrison Evp, Ehs $1.14M Mar 17, 2025
Eugene G. Banucci Director $999K Jun 9, 2023
Shelley Stewart JR Director $751K May 21, 2025
Alison A. Quirk Director $666K -$200K -23.1% Jun 5, 2025
Karyn Polito Director $585K May 21, 2025
Jeffrey H. Knapp Evp Hr (Chesi) $509K Nov 23, 2021

Recent Insider Transactions by Companies or Individuals for Clean Harbors Inc

Insider Symbol Class Transaction % Value $ * Price $ Shares Shares Owned Date Ownership
* An asterisk sign (*) next to the price indicates that the price is likely invalid.